package com.atguigu.gulimall.order.web;

import com.atguigu.common.utils.R;
import com.atguigu.gulimall.order.entity.OrderEntity;
import com.atguigu.gulimall.order.exception.NoStockException;
import com.atguigu.gulimall.order.service.OrderService;
import com.atguigu.gulimall.order.vo.OrderConfirmVo;
import com.atguigu.gulimall.order.vo.OrderSubmitVo;
import com.atguigu.gulimall.order.vo.SubmitOrderResponseVo;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.annotation.Resource;
import java.util.concurrent.ExecutionException;

@Controller
public class OrderWebController {
    @Resource
    OrderService orderService;

    @ResponseBody
    @GetMapping("/status/{orderSn}")
    public R getOrderStatus(@PathVariable("orderSn") String orderSn){
        OrderEntity orderEntity = orderService.getOrderStatus(orderSn);
        return R.ok().setData(orderEntity);
    }

    @GetMapping("/toTrade")
    public String toTrade(Model model) throws ExecutionException, InterruptedException {
        OrderConfirmVo confirmVo = orderService.confirmOrder();
        model.addAttribute("orderConfirmData", confirmVo);
        return "confirm";
    }

    @PostMapping("/orderSubmit")
    public String orderSubmit(OrderSubmitVo submitVo, Model model, RedirectAttributes redirectAttributes){

        try{
            SubmitOrderResponseVo responseVo = orderService.orderSubmit(submitVo);
            if(responseVo.getCode() == 0){
                model.addAttribute("submitOrderResp", responseVo);
                return "pay";
            }else {
                String msg = "下单失败，";
                switch (responseVo.getCode()){
                    case 1: msg += "订单信息过期，请刷新再提交"; break;
                    case 2: msg += "订单商品价格发生变化，请确认后再次提交"; break;
                    case 3: msg += "商品库存不足"; break;
                }
                redirectAttributes.addFlashAttribute("msg", msg );
                return "redirect:http://order.gulimall.com/toTrade";
            }
        }catch (Exception e){
            if (e instanceof NoStockException){
                String message = ((NoStockException)e).getMessage();
                redirectAttributes.addFlashAttribute("msg", message );
            }

            return "redirect:http://order.gulimall.com/toTrade";
        }
    }
}
